French tense to the present perfect tense in English.(法語中沒有和英語的現在完成時完全對應的時態。)

Change these sentences into the Present Perfect Passive, putting the verbs into the correct forms.(用動詞的正確形式將下面的句子變成現在完成時的被動語態。)

The present perfect is used to express an action that started in the past but still continues in the present.(現在完成時用來表達開始于過去但仍在現在持續的動作。)

It is not easy to learn to use the present perfect tense correctly.(學習正確使用現在完成時不是容易的事。)

The present perfect simple is often used to talk about past actions and events which are completely finished.(一般現在完成時經常用于談論過去的行為和事件其完全結束。)

The present perfect is covered in Unit 8.(現在完成時在第8單元講解。)

I have finished 'is an example of the present perfect.(“我已經完成了”是現在完成時態的一個例句。)

Fill in the blanks with the present perfect tense of the verbs in brackets.(用括號里動詞的現在完成時態來填充空格。)

Today, we are going to talk about the present perfect continuous tense.(今天，我們談談什么是現在完成進行時。)

When we use the present perfect, there is a connection with now.(當我們使用現在完成式時，是和現在有關聯的。)